Heat exchange article



Sept. 13, 1932. SHOOP 1,877,068

HEAT EXCHANGE ARTICLE Original Filed April 4, 1950 I nvenlor I q 5 5 By 1.1.4 I Z Patented Sept. 13, 1932 UNITED STATES PATENT OFFICE GERTRUDE SHOOP, OF SHAMOKIN, PENNSYLVANIA HEAT EXCHANGE ARTICLE Original application filed April 4; 1930, Serial No. 441,607. Divided and-this application filed. July 15, 1931,

Serial No. 550,986. i V

This invention relates to and contains matter divided out of application .Seri

441,607, such matter being comprised in the al No.

, Figures 8 to 13 inclusive of saidfapplication, 5 the filing date of said application Serial No.

441,607 being April 4, 1930. which has matured into Patent No. 1,830,375 dated Nov. 3,

The matter of this application relates to improvements in heat or cold radiation means for fluid conduits, the structure of the radiation meansbeing generally in the formof fins or structurally analogous forms which are attachable upon the fluid conduits. by novel "1 attaching means.

The object of the invention herein is to provide inexpensively for the equipping of h Flgure .5.

fluid conduits with radiation means,

whic

may be quickly and easily attached thereto, and as easily. removed, whereby to reduce the comparatively enormous expense of provid: ing fluid conduit with radiation means of the type now in vogue.

Another object of the invention is to provide for equipping a fluid conduit with radiation means of the fin or analogousformation without removing the conduit from its position ina machine or the like, whereby to reduce the expense of removing and reinstalling such a conduit. as would ordinarily quired to so equip the conduit.

be re Another object of the invention is to provide for equipping a fluid conduit with radiation means of the type described, which because of the construction thereof results in a greater radiation effect than is possible with ordinary fin structures of known type.

These and other objects of the invention, its

nature, and its composition andarrangement and combination of parts will be readily understood by anyone acquainted withthe art to which this invention relates upon consulting the following descriptionof the dr in which Figure 1 is a top View of a fluid conduithaving installed thereon one form of the tion means mentioned.

awing,

radia Figure 2 is a plan view of a stamped blank which constitutes one form of att means for the radiation structure.

aching Figure 3 is a transverse vertical sectional view taken approximately on the'line 33 of Figurefl, and i Figure 4 is a vertical longitudinal sectional view taken through Figure 1 approximately Referring in detail to the drawing the letter A- generally designates a form ofradia tion structure, the profileof which is illus trated in Figure 4. This profile is obtained by crimping or stamping a strip of suitable material to provide open rectangular loops designated L. For illustrative purposes, it has been chosen to show the radiation struc ture Aattached to a fluid conduit of oval or flat rectangular form indicatedat 14, upon the upper and lower surfaces of the exterior of which are placed the radiation'structures, the upper radiation structure being designated A and the lower radiation structure being designated B.

The method of attaching the radiation ele- I,

ments A, B to the said surfaces of the conduit 14 comprise straps or bars or strips arranged to project from a spine or web, the web to engage one edge of the conduit, and the bars, straps, or strips to be thereby positioned to enter the ,crimps or recesses in the radiation structures and between the loops L as seen in Figure 4, the free end portions of the bars, straps or strips, then being clamped,

so as to draw them closely about the radiation structures A, B, so as to assemble said radiation'structur-es' with the fluid conduit in the manner already indicated. 3 f Referring to Figure 2 it will be seen that one form of the attaching means consists of strips or straps 43projecting at longitudinaland upwardly in conformance with the shape of the conduit, and upon each marginal portion of the strips 44 and 45 thus produced,-

there is longitudinally placed a clamping bar 46, and bolts 48 are extended through the bars and the marginal portions, and the nuts on the bolts turned up so as to solidly clamp the said marginal portions and bars, and the strips 42, 43 so as to solidly attach the radiation structures A, B upon the conduit 14.

Referring to Figure 5 it will be seen that there is provided a channel member 15 provided in each vertical wall, with notches longitudinally spaced and directly opposite each other in opposing flanges, the notches being designated 51. Wires or bars 53, and 54 have their inner ends placed in the notches 51, so that they extend in longitudinal spaced parallel manner and at right angles to the channel 15. The inward ends of the bars or wires 53, 54 are knotted or swaged as indicated at 55, so as to prevent their withdrawalfrom the notches 51 in all except one direction. As seen in Figure 6, the channel 51 is placed with its under horizontal surface against one edge of the conduit 14, and the wires or bars 53, 54, are then bent so as to lie between the loops L and the free ends of thewires or bars 53, 54 are then downwardly bent against the opposite edge of the conduit 14 and then outwardly extended, and placed between a pair of the clamping bars 46, through which bolts 48 are then passed and the nuts thereon turned up so as to tighten the bars 46 upon thefree end portions of the wires or bars 53, 54 in the manner shown in Figure 6, whereby to draw upon said wires orbars and clamp the same solidly about the radiation structure, A, B, so as to assemble them securely upon the-fluid conduit.

Since various modifications of'the disclosure above may be apparent to anyone acquainted with the art to which this invention relates, it is to be definitely understood that I do not desire to limit :the application of this invention to the particular modifications set out herein to illustrate the principles thereof, and any change or changes may be made in material, structure and arrangement of parts consistent with the spirit and scope of theinvention.

Having thus described my invention, what I claim as new is:

1. A radiation structure of the type described comprisinga metallic conductor, a

strip of radiating material formed with alternating recesses and projections and ar ranged longitudinally of the conductor, and means for attaching the strips upon the conductor comprising a web for engaging the conductor, spaced ribs projecting from the web adapted to be bent to lie in the recesses of the strips between the projections and be then further bent so as to meet and be clamped at the side of the conductor opposite that engaged by the web,- and a pair of clamp bars for longitudinal arrangement with respect to the conductor and in engagement with the meeting ends of the ribs, a web connecting the meeting ends of the ribs and bolts through said clamp bars and through the second webs for drawing them together whereby to clamp the ribs to constrict them aboutthe strips and conductor.

2. A radiation structure of the type described comprising a metallic conductor, a strip of radiating material formed with alternating recesses and projections and arranged longitudinally on opposite sides of the conductor, and means for attaching the strips upon the conductor com prising a web for engagingthe conductor, spaced rims projecting from the web adapted to be bent to lie in the recesses of the strips and be then further bent so as to meet and be clamped at the side of the conductor opposite that engaged by the web, and a pair of clamp bars for longitudinal arrangement with respect to the conductor end on an opposite side of the meeting portion of each arm, and bolts through said clamp bars for drawing them together whereby to clamp the meeting portions ofthe bars to constrict the bars about the strips and conductor, said web comprising an elongated plate, and said spaced arms being in the form of flat straps integral with the web, and projecting from each side thereofand a relatively wide flat plate connecting the ends thereof.

7 3. A radiation structure of the type described comprising a metallic conductor, a strip of radiating material formed with alternating recesses and projections and arranged longitudinally on opposite sides of the conductor, and means for attaching the strips upon the conductor comprising a web for engaging the conductor, spaced rims projecting from the web adapted to be bent to lie in the recesses of the strips and be then further bent so as to meet and be clamped at the side of the conductor opposite that engaged by the web, and a pair of clamp bars for longitudinal arrangement with respect to the conductor and on an opposite side of the meeting portion of each arm, and bolts through saidclamp bars for drawing them together whereby to clamp the meeting portions of the bars to constrict the bars about the strips and conductor, said web consisting of a channel formation havingspaced notches in the edges of its vertical walls, and said spaced arms comprising rods projecting from said Vertical Walls each having one end retained in one of the notches thereof.

4:. Means for securing to a conductor strips 5 of radiating material having aiternating projections and recesses therebetween, comprising a sheet of material having spaced openings Within the edges thereof defining therebetween portions for positioning in said recesses and a portion for engaging'a part of the conductor, said sheet being adapted to be bent around the conductor and upon the ra diating strips and to have the free edges thereof clamped together so as to clamp the said radiating strips upon the conductor.

In testimony whereof I aflix my signature.

GERTRUDE SHOOP. 

